[react initialState] initState #react

getInitialState.jsx

class A extends React.PureComponent {
  state = this.getInitialState();

  getInitialState() {
    const { className } = this.props;

    return {
      className
    };
  }

  onChange = () => {};

  resetState() {
    this.setState(this.getInitialState());
  }
}